Article(id=1148011751309828465, tenantId=1146029695717560320, journalId=1146119989267898375, issueId=1149298828890686383, articleNumber=null, orderNo=null, doi=10.7654/j.issn.2097-1974.20240111, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1598457600000, receivedDateStr=2020-08-27, revisedDate=1621872000000, revisedDateStr=2021-05-25, acceptedDate=null, acceptedDateStr=null, onlineDate=1751636930538, onlineDateStr=2025-07-04, pubDate=1708790400000, pubDateStr=2024-02-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1751636930538, onlineIssueDateStr=2025-07-04, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1751636930538, creator=13701087609, updateTime=1751636930538, updator=13701087609, issue=Issue{id=1149298828890686383, tenantId=1146029695717560320, journalId=1146119989267898375, year='2024', volume='47', issue='1', pageStart='1', pageEnd='106', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1751943793747, creator=13701087609, updateTime=1754895893333, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1161680832063164456, tenantId=1146029695717560320, journalId=1146119989267898375, issueId=1149298828890686383, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1161680832063164457, tenantId=1146029695717560320, journalId=1146119989267898375, issueId=1149298828890686383, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=57, endPage=63, ext={EN=ArticleExt(id=1148011751532126589, articleId=1148011751309828465, tenantId=1146029695717560320, journalId=1146119989267898375, language=EN, title=Influence of Different Design Parameters on Nozzle Efficiency of Liquid Oxygen Methane Engine, columnId=1154057566893105509, journalTitle=Missiles and Space Vehicles, columnName=Propulsion, runingTitle=null, highlight=null, articleAbstract=
In order to better and faster calculate nozzle performance, a program for calculating the chemical dynamic flow field of two dimensional nozzles is developed by using the method of characteristic and boundary layer correction. The nozzle field corresponding to different for a liquid oxymethane engine, and the influence of different design parameters on nozzle efficiency are studied, the design parameters include thrust, chamber pressure, nozzle area ratio and nozzle outlet angle, etc. Geometric loss, boundary layer loss and chemical dynamic loss are considered in the calculation of nozzle efficiency. The results show that the program can obtain the number important for engineer quickly and accurately, improve the simulation efficiency greatly, and can be used to optimize the nozzle contour.
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为了更好更快地计算喷管性能,采用特征线法加附面层修正的方式开发了一种二维喷管化学动力流场计算程序,针对某液氧甲烷发动机计算了不同设计参数对应的喷管流场,研究了不同设计参数对喷管效率的影响,设计参数包括推力、室压、喷管面积比和喷管出口角等。计算喷管效率时考虑了几何损失、附面层损失、化学动力损失。结果表明使用程序计算能够准确快速获得工程上重视的设计指标,大大提高了仿真效率,可用于喷管型面优化。
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刘阳旻(1998—),男,工程师,主要研究方向为液体火箭发动机喷管性能仿真计算。
田原(1979—),男,研究员,主要研究方向为大推力液体火箭发动机推力室设计。
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Program structure, figureFileSmall=qCLzrM4Wv0KSdlS0CHMT4w==, figureFileBig=lAWPGk2lbacD7KVLtTCuqg==, tableContent=null), ArticleFig(id=1197483706643431653, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011751309828465, language=CN, label=图1, caption=
程序结构, figureFileSmall=qCLzrM4Wv0KSdlS0CHMT4w==, figureFileBig=lAWPGk2lbacD7KVLtTCuqg==, tableContent=null), ArticleFig(id=1197483706731512038, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011751309828465, language=EN, label=Fig. 2, caption=
Schematic for program analysis, figureFileSmall=IGjUHrBUPXft9AgRuiDwkw==, figureFileBig=aHv23Az38GPBs5nMRCa2Ig==, tableContent=null), ArticleFig(id=1197483706819592423, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011751309828465, language=CN, label=图2, caption=
程序计算框架示意, figureFileSmall=IGjUHrBUPXft9AgRuiDwkw==, figureFileBig=aHv23Az38GPBs5nMRCa2Ig==, tableContent=null), ArticleFig(id=1197483706882506984, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011751309828465, language=EN, label=Fig. 3, caption=
SSME nozzle specific impulse and nozzle efficiency calculation verification, figureFileSmall=SL3qjm5N7ob0hO8AB6Hq8Q==, figureFileBig=9uHGKK0i8q1uY1CknoTUAw==, tableContent=null), ArticleFig(id=1197483706945421545, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011751309828465, language=CN, label=图3, caption=
SSME喷管比冲与喷管效率计算验证, figureFileSmall=SL3qjm5N7ob0hO8AB6Hq8Q==, figureFileBig=9uHGKK0i8q1uY1CknoTUAw==, tableContent=null), ArticleFig(id=1197483706999947498, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011751309828465, language=EN, label=Fig. 4, caption=
SSME nozzle displacement thickness and momentum thickness distribution calculation verification, figureFileSmall=dAxSek8bwy4Y0MnCeKA8rg==, figureFileBig=5K3DW/fdmxVzp1YiQ9BmIg==, tableContent=null), ArticleFig(id=1197483707054473451, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011751309828465, language=CN, label=图4, caption=
SSME喷管位移厚度与动量厚度分布计算验证, figureFileSmall=dAxSek8bwy4Y0MnCeKA8rg==, figureFileBig=5K3DW/fdmxVzp1YiQ9BmIg==, tableContent=null), ArticleFig(id=1197483707117388012, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011751309828465, language=EN, label=Fig. 5, caption=
Nozzle contours of different throat radius, figureFileSmall=SOBH29Wnq9QCTXA03EgNmw==, figureFileBig=0HPX29IY76XPSFpvck82Fw==, tableContent=null), ArticleFig(id=1197483707184496877, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011751309828465, language=CN, label=图5, caption=
改变喉部半径、面积比不变的喷管型面, figureFileSmall=SOBH29Wnq9QCTXA03EgNmw==, figureFileBig=0HPX29IY76XPSFpvck82Fw==, tableContent=null), ArticleFig(id=1197483707255800046, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011751309828465, language=EN, label=Fig. 6, caption=
Nozzle contours of different throat radius, figureFileSmall=TkWru8gefaXVb9L+Nnyv2A==, figureFileBig=oRGNuZGXNfXkLClMyUOQrw==, tableContent=null), ArticleFig(id=1197483707331297519, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011751309828465, language=CN, label=图6, caption=
改变面积比、喉部半径不变的喷管型面, figureFileSmall=TkWru8gefaXVb9L+Nnyv2A==, figureFileBig=oRGNuZGXNfXkLClMyUOQrw==, tableContent=null), ArticleFig(id=1197483707390017776, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011751309828465, language=EN, label=Fig. 7, caption=
Different efficiency as function of chamber pressures, figureFileSmall=6tioR9bWDXRyHcd5oxSMPA==, figureFileBig=QdIxDF9+vxCw7WxkppUE1g==, tableContent=null), ArticleFig(id=1197483707452932337, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011751309828465, language=CN, label=图7, caption=
不同的效率随室压的变化, figureFileSmall=6tioR9bWDXRyHcd5oxSMPA==, figureFileBig=QdIxDF9+vxCw7WxkppUE1g==, tableContent=null), ArticleFig(id=1197483707520041202, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011751309828465, language=EN, label=Fig. 8, caption=
Kinetic efficiency as function of chamber pressure, throal radius, and exit area ratio, figureFileSmall=f0bbeEuq126lqQOGHWCt7Q==, figureFileBig=rP/E86ChdGCJhiDI0AryKA==, tableContent=null), ArticleFig(id=1197483707599732979, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011751309828465, language=CN, label=图8, caption=
化学动力效率随室压、喉部半径、喷管面积比的变化, figureFileSmall=f0bbeEuq126lqQOGHWCt7Q==, figureFileBig=rP/E86ChdGCJhiDI0AryKA==, tableContent=null), ArticleFig(id=1197483707679424756, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011751309828465, language=EN, label=Fig. 9, caption=
Geometric efficiency as function of chamber pressure, throal radius, and exit area ratio, figureFileSmall=yzbeYCdvmnnMf/M0S3h8zA==, figureFileBig=m7FwGi5zAbs+TuBtsa8vOA==, tableContent=null), ArticleFig(id=1197483707742339317, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011751309828465, language=CN, label=图9, caption=
几何效率随室压、喉部半径、喷管面积比的变化, figureFileSmall=yzbeYCdvmnnMf/M0S3h8zA==, figureFileBig=m7FwGi5zAbs+TuBtsa8vOA==, tableContent=null), ArticleFig(id=1197483707805253878, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011751309828465, language=EN, label=Fig. 10, caption=
Kinetic efficiency as function of chamber pressure, throal radius, and exit area ratio, figureFileSmall=JzfQ+1SgOr+tx0LnlAg6sQ==, figureFileBig=LKxxAXoDL5R7mPZWFDwqHg==, tableContent=null), ArticleFig(id=1197483707863974135, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011751309828465, language=CN, label=图10, caption=
附面层效率随室压、喉部半径、喷管面积比的变化, figureFileSmall=JzfQ+1SgOr+tx0LnlAg6sQ==, figureFileBig=LKxxAXoDL5R7mPZWFDwqHg==, tableContent=null), ArticleFig(id=1197483707922694392, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011751309828465, language=EN, label=Fig. 11, caption=
Exit displacement normalized with the throat radius for different chamber pressure, throal radius, and exit area ratio, figureFileSmall=7Zwf+23a+i84FeAVqAbZ6A==, figureFileBig=EnUS+azekoKcDGM6P+GddA==, tableContent=null), ArticleFig(id=1197483709004824825, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011751309828465, language=CN, label=图11, caption=
出口位移厚度与喉部半径之比随室压、喉部半径、喷管面积比的变化, figureFileSmall=7Zwf+23a+i84FeAVqAbZ6A==, figureFileBig=EnUS+azekoKcDGM6P+GddA==, tableContent=null), ArticleFig(id=1197483709071933690, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011751309828465, language=EN, label=Fig. 12, caption=
Nozzle efficiency as function of chamber pressure, throal radius, and exit area ratio, figureFileSmall=B0y6bJEmm6aWbcaamjOzgw==, figureFileBig=ixHTtVUksYz8rEqpVRLhIA==, tableContent=null), ArticleFig(id=1197483709147431163, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011751309828465, language=CN, label=图12, caption=
喷管效率随室压、喉部半径、喷管面积比的变化, figureFileSmall=B0y6bJEmm6aWbcaamjOzgw==, figureFileBig=ixHTtVUksYz8rEqpVRLhIA==, tableContent=null), ArticleFig(id=1197483709248094460, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011751309828465, language=EN, label=Fig. 13, caption=
Nozzle efficiency as function of the wall exit angle, figureFileSmall=0l9aWzCMEJX9WlQgBrz7MQ==, figureFileBig=DYzpbosojW6n3cvEfOqDwQ==, tableContent=null), ArticleFig(id=1197483709315203325, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011751309828465, language=CN, label=图13, caption=
喷管效率随壁面出口角度的变化, figureFileSmall=0l9aWzCMEJX9WlQgBrz7MQ==, figureFileBig=DYzpbosojW6n3cvEfOqDwQ==, tableContent=null), ArticleFig(id=1197483709369729278, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011751309828465, language=EN, label=Fig. 14, caption=
Nozzle contours with different wall exit angles, figureFileSmall=moTXwXCApsAfGhDMT/siTA==, figureFileBig=FJaDtAY5xaIHtUgTYWbHWw==, tableContent=null), ArticleFig(id=1197483709445226751, tenantId=1146029695717560320, journalId=1146119989267898375, articleId=1148011751309828465, language=CN, label=图14, caption=
喷管型面随不同喷管出口角度的变化, figureFileSmall=moTXwXCApsAfGhDMT/siTA==, figureFileBig=FJaDtAY5xaIHtUgTYWbHWw==, tableContent=null)], attaches=null, journal=Journal(id=1146118917132496903, delFlag=0, nameCn=导弹与航天运载技术(中英文), nameEn=Missiles and Space Vehicles, nameHistory1=null, nameHistory2=null, issn=2097-1974, eissn=, cn=10-1807/V, coden=null, periodic=1, language=CN, oaType=否, ccby=null, superviseOffice=null, ownerOffice=null, pubOffice=null, editorOffice=null, officeType=null, aims=null, clcCode=null, officeProv=null, officeCity=null, officeAddr=null, officeZip=null, officeEmail=null, officePhone=null, editDirector=null, officeDirector=null, officeDirectorPhone=null, officeStaffNum=null, officeEmpNum=null, coverPicUrl=DdfacUcWE1ibGHaCsbhL8w==, journalPrice=null, startedYear=null, abbrevIsoEn=Miss Space Veh, journalRemark=null, publicationField=null, createdTime=null, updatedTime=1753780023753, createdBy=null, updatedBy=13701087609, firstLetterCn=M, firstLetterEn=M, subjectCode=Engineering, 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